Spectroscopy of YVO4:Ho3+ crystals

Gołvab, S.; Solarz, P.; Dominiak‐Dzik, G.; Łukasiewicz, T.; Świrkowicz, M.; Ryba‐Romanowski, W.

doi:10.1007/s003400200791

Cited by 63 publications

(30 citation statements)

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“…13. The points indicate the experimental data in this figure while the solid lines indicate the dependencies predicted by the commonly applied phenomenological models dealing with radiative transitions and multiphonon relaxation [13,14]. It can be seen that additional, thermally activated quenching processes contribute to the decays.…”

Section: Phenomena Relevant To Laser Performance Of Yvo 4 Doped With mentioning

confidence: 92%

“…Laser potential associated with the 5 I 7 -5 I 8 transition was examined adopting the procedure described in Secs. 2.1 and 2.2 [14]. The calculated emission cross sections and the effective emission cross-sections, shown in Fig.…”

Section: +mentioning

confidence: 99%

“…Reabsorption losses will be significant in YVO 4 :Er because of relatively small splitting of the ground state. To account for this factor, the effective emission cross-sections eff σ were evaluated from the relation [14]:…”

Section: Yvo 4 :Er Crystalsmentioning

confidence: 99%

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YVO₄ crystals – puzzles and challenges

Ryba‐Romanowski

2003

Cryst. Res. Technol.

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Work on optical properties of undoped and rare-earth doped YVO 4 crystals is briefly reviewed. Fundamental spectroscopic parameters relevant to laser performance of YVO 4 containing erbium, thulium and holmium, derived from absorption and emission spectra and from excited state relaxation dynamics, have been presented. Laser performance of YVO 4 :Er has been reported and laser potential of YVO 4 doped with thulium and holmium has been assessed. Anomalous phenomenon of up-conversion of IR radiation into red emission in YVO 4 :Yb,Ho and puzzling anti Stokes emission in nominally undoped YVO 4 have been discussed.

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Section: Phenomena Relevant To Laser Performance Of Yvo 4 Doped With mentioning

confidence: 92%

Section: +mentioning

confidence: 99%

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YVO₄ crystals – puzzles and challenges

Ryba‐Romanowski

2003

Cryst. Res. Technol.

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“…Aside from these crystals, the tetragonal uniaxial yttrium vanadate YVO 4 crystal has attracted a lot of interest in recent years for doping with Tm and Ho ions. The spectra of Ho:YVO 4 have been reported in detail by Golab et al [14] and, more recently, by our group for Tm,Ho:YVO 4 [15] . The largeemission cross-section (2.4×10 −20 cm 2 at 2 052 nm and 2.7×10 −20 cm 2 at 2 040 nm for π-polarization, 0.7×10 −20 cm 2 at 2 066 nm and 1.3×10 −20 cm 2 at 2 008 nm for σ-polarization, respectively [15] ) makes this crystal a promising host medium for the generation of 2 µm radiation.…”

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confidence: 90%

Passively mode-locked Tm,Ho:YVO4 laser based on a semiconductor saturable absorber mirror

Yao¹,

Wang²,

Yu³

et al. 2012

中国光学快报

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“…Rare earth doped YVO 4 crystals exhibit a number of anomalous phenomena as for example mysterious quenching of Tb 3+ luminescence [1], abrupt decrease of the 5 S 2 lifetime of Ho 3+ when temperature rises from 5 to about 50 K [2] and less pronounced but strong temperature dependence of the 4 S 3/2 level of Er 3+ [3]. These observations imply that YVO 4 matrix contain energy sinks able to quench luminescence originating in those excited states of activators which are situated below the lowest excited state of VO 4 3− vanadate group.…”

Section: Introductionmentioning

confidence: 99%